Kranaosphinctes matsushimai (Yokoyama, 1904)
| 2002. | Kranaosphinctes matsushimai (Yokoyama, 1904) Fukada, A. 2002 p. 88, pl. 2, fig. 3 |
| 1972. | Kranaosphinctes matsushimai (Yokoyama) Suzuki, A. & Sato, T. 1972 p. 214, text-fig. 2 |
| Condition: | Present |
| Preservation: | Replica: Original specimen kept in Utsunomiya University |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Fukada, A., 2002: Additional notes on the Jurassic system of Ozika peninsula, southern Kitakami mountain land, Japan. Annual Report, Fukada Geological Institute, no. 3, pp. 79–99, pls. 1–3. (in Japanese) (Reference No. 0720) |
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| Suzuki, A. and Sato, T., 1972: Discovery of Jurassic ammonite from Toriashi mountain. Journal of the Geological Society of Japan, vol. 78, no. 4, pp. 213–215. (in Japanese with English description) (Reference No. 0280) |
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| Ito, Y. et al., 2008, no. 74, p. 5. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 258. |
